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I have a User-Defined Table Type, lets say @TT dbo.IntType readonly, IntType is batch of int, as Pr… Read more Sql Server, How To Remove Updates Elements From User-defined Table Type?

I have a table: create table c ( e text not null, m text not null, p numeric not null, … Read more Postgres On Conflict Set Column Reference Is Ambiguous

I'm updating a Postgres 8.4 database (from C# code) and the basic task is simple enough: either… Read more Postgres Upsert (insert Or Update) Only If Value Is Different

Note: This is a question which is a follow up of this solution. You need to read the link to get co… Read more Race Condition Between Select And Insert For Multiple Columns

I'm thinking of using PostgreSQL INSERT .. ON CONFLICT UPDATE functionality. Ideally I would be… Read more Postgres Upsert: Distinguish Between New And Updated Rows

I use a query like this: INSERT INTO table SELECT * FROM table2 t2 JOIN ... ..… Read more Is Insert ... Select An Atomic Transaction?

I'm trying to do an UPSERT (since that's what it appears to be called) and I'm getting … Read more Error In My Sql Statement (upsert)

I have a table: create table c ( e text not null, m text not null, p numeric not null, … Read more Postgres ON CONFLICT Set Column Reference Is Ambiguous